12343512 has 16 divisors (see below), whose sum is σ = 30858840. Its totient is φ = 4114496.

The previous prime is 12343481. The next prime is 12343519. The reversal of 12343512 is 21534321.

12343512 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257133 + ... + 257180.

Almost surely, 2^12343512 is an apocalyptic number.

12343512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12343512 is an abundant number, since it is smaller than the sum of its proper divisors (18515328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12343512 is a wasteful number, since it uses less digits than its factorization.

12343512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514322 (or 514318 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 12343512 is about 3513.3334598355. Note that the first 3 decimals coincide. The cubic root of 12343512 is about 231.1069012903.

Adding to 12343512 its reverse (21534321), we get a palindrome (33877833).

The spelling of 12343512 in words is "twelve million, three hundred forty-three thousand, five hundred twelve".